Power Amp Section - Sony STR-V333ES Service Manual

STR-V333ES/V444ES/V555ES
– POWER AMP SECTION –
IC501
POWER AMP
FL INPUT +VE OUT
6 2 1
NF 5
RV501
IDLING
B+ 13
+VCC
CURRENT
14 +VCC
FRONT L
-VE OUT 3 5
B- 15 -VEE
MUTE 1
IC701
POWER AMP
LS 6 INPUT +VE OUT 2 1
NF 5
RV701
A
IDLING
B+
13 +VCC
CURRENT
14 +VCC
REAR L
(Page 13)
-VE OUT 3 5
B- 15 -VEE
MUTE
1
IC601
POWER AMP
CENTER 6 2
INPUT +VE OUT 1
5
NF
RV601
IDLING
B+
13
+VCC
CURRENT
14
+VCC
CENTER
-VE OUT 3
5
15
B- -VEE
MUTE 1
S.W
2ND AUDIO
Q501,503
MUTE
77
+5V-2 8 VCC
38 DVCC
54
VCC
94
VCC
IC502
3 B+
BOOSTER
4
2 5
RY502
Q597
RELAY
DRIVER
4 1
CURRENT
2 RY503
PROTECT
BOOSTER
3
Q598
Q508,509
B-
RELAY
IC503
DRIVER
RY504
Q599
RELAY
IC702
DRIVER
RY501
B+
3
BOOSTER
4 Q511
RELAY
2 5 DRIVER
RY701
Q711
RELAY
4 1 DRIVER
CURRENT
2
PROTECT
BOOSTER
3
Q708,709
B-
IC703
IC602
3 B+
BOOSTER
4
2 5 RY601
Q611
RELAY
DRIVER
4 1
CURRENT
2
PROTECT
BOOSTER
3
Q608,609
B-
IC603
RY651
Q661
RELAY
DRIVER
RY300
Q300
Q547-549
RELAY
CURRENT
DRIVER
PROTECT
DRIVE
Q1405
POWER
CONTROL
78 79 80 84 85 82 81 83 56 104
RY-POWER
IC1201(4/4)
SYSTEM CONTROL
TM501
¥ R ch is omitted
L
¥ Signal Path
A
R CH
R
FRONT : CD(ANALOG)
SPEAKER
R CH
R
B
L
J101
R CH
PHONES
J501
IC1409
L
+12V
+12V 3 1
FRONT
REG
R
R CH
+15V
IC1410
L
REAR +5V
+5V-1 3 1 -15V
R
R CH REG
RRE
OUT
SUB
IC1402
+5V-2
WOOFER
B+
J502 +5V-3 3 1
SWITCH
CENTER
+5VD2
TM601
IC1405
L
REAR
+5V
+5D1 3 1
R REG
R CH SPEAKER
IC1403
CENTER
+3.3V
+3.3V 3 1
REG
IC1403,1404
B-
-5V
3 1
SWITCH
J303
(2/2)
2ND AV
AUDIO
OUT
61
STOP
67
RESET
90
IC102(3/3)
DISPLAY CONTROL
POWER RY 13
U-RESET 58
Q103
RESET 77 RESET
52
STANDBY
+5V-2 23
VCC MD1 50
84 VCC
STOP 47
16 16
T901
POWER
TRANSFORMER
D803-806
IC401
+15V
3 1
REG
+24V
IC402
-24V
-15V
3 1
F805
REG
D803-806
IC1407
+5V
3 1
REG
F806
IC1406
+5V
3 1
REG
F1
IC1406,1408
B+
3 1
SWITCH
F2
Q801
D812
+38V
+38V
REG
IC1408
D813
-5V
3 1
REG
S902
IMPEDANCE SELECTOR
4‰ 8‰
D802
F802
B+
D801
F801
B-
EXCEPT
E, PX, EA
Q901
RELAY
DRIVER
D1403
Q1401
+5.6V
+5.6V
REG
D1404
D901-904
+12V
7 2 3 5
VSA VSC OUT C VDD
D906
IC1402
8 RESET
VSB 6
SWITCHING
REG.
D907
V555 : E,PX,EA
S901
AC
VOLTAGE
220V
240V
120V
F901 F904
AEP,UK,US,AUS,
EE,MY,SP,CH
F902
EXCEPT AEP,UK,US,
AUS,EE,MY,SP,CH
JW901
RY901
J901
AC
OUTLET
JW902
T902
EXCEPT
E, PX, EA
AC IN